Greenland is___hyge island that is mostly covered with___thick ice sheet.
问题描述：
Greenland is___hyge island that is mostly covered with___thick ice sheet.
A.the,/
B.a,the
C.a,a
D.the,a
hyge_huge
答
C能解释清楚一点吗？都是第一次提及，都是泛指。没有特指。格陵兰是个巨岛，大部分被厚厚的冰层覆盖。